aparaxialray - michigan state university · a goldfish lives in a spherical fish bowl 50 cm in...
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A paraxial ray
A. moves in a parabolic path. B. is a ray that has been reflected
from parabolic mirror. C. is a ray that moves nearly
parallel to the optical axis. D. is a ray that moves exactly
parallel to the optical axis.
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A virtual image is
A. the cause of optical illusions. B. a point from which rays appear to diverge. C. an image that only seems to exist. D. the image that is left in space after you
remove a viewing screen.
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The focal length of a converging lens is
A. the distance at which an image is formed.
B. the distance at which an object must be placed to form an image.
C. the distance at which parallel light rays are focused.
D. the distance from the front surface to the back surface.
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EXAMPLE A goldfish in a bowl
QUESTION:
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EXAMPLE A goldfish in a bowl
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EXAMPLE A goldfish in a bowl
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Mirrors
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Ray Diagram: A Mirror
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Imaging FormaCon by a Mirror
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Thin Lens: Focal Point & Length
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Major Rays
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Thin Lenses: Ray Tracing
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Magnifying Glass/Virtual Image
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Important Concepts
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ApplicaBons